The sand will get in their joints though, slowing them down for 10 seconds. Sand in the Machine pt2 - Since robots are immune to pain and there isn't much an organic could to to surprise one, they are mostly immune to staggers.They may stagger less but they surely won't be expecting this. Sand in the Machine pt1 - If the target is wearing power armor it will get in the linkages and joints, slowing them down for 10 seconds.
Staggers most targets. Applies the "Blind" effect, same one one of the syringer ammo uses.Grind up 1 ceramic for 2 fist fulls of dust.